1990~1996 GMC G1500 G2500 G3500 Bulb Size Guide


When upgrading the stock halogen / incandescent lamps to led lighting bulbs, the bulb size guide will be much helpful, below are the bulb size guide for 1990~1996 GMC G1500 / G2500 / G3500; yet it is for reference only, it is suggested to check the owner manual to confirm the bulb size guide is correct before purchasing.

  • High beam headlight with 4 headlamp: H4701;with 2 headlamp: H6054
  • Low beam headlight with 4 headlamp: H4703;with 2 headlamp: H6054
                                                                        for 1992~ 1996 models: 3157A / 3157NA  ( also as parking light)
  • Rear turn signal light Brake Tail light: 2057
  • Back-up reverse light: 1156
  • License plate light / Tag light for 1990~1994 models: 67 ; for 1995~1996 models: 194
  • Interior Map light​: 906
  • Interior Dome light: 211-2
  • Front side marker light: 194
  • Vanity mirror light: 7065
  • Courtesy light: 212-2 or 906
  • Auto trans light: 1893
  • Check engine light: 194 or PC74
  • Engine compartment light: 232
  • High beam indicator light: 161 or PC74
  • Parking brake indicator light 194 or PC74
  • Radio display light: 1893
  • Seat belt light: 194 or PC160
  • Turn signal indicator light 194 or PC74
  • Auto Trans Indicator light: 1445 or  74


Vehicles includes: 1990, 1991, 1992, 1993, 1994, 1995, 1996 GMC G1500 / G2500 /G3500